In large pot, ehat olive oil over medium heat.,Add onion and cook until translucent, 8 to 10 minutes.,Add squash, cook 5 more minutes.,Add chopped sage and broth and bring to a boil.,Reduce heat to medium-low and cook until squash iver very tender, about 30 minutes.,With an immersion blender, puree soup until smooth (or puree in small batches in a food processor).,Season to taste with salt and pepper.,______,Drop sage leaves in about 3 at a time and fry tuntil just crisp.,Remove to a paper-towel-lined plate.,Serve soup hot, garnished with 2 or 3 sage leaves per bowl.